Phaeoid fungi (Dark) Opportunists – Septate Molds
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19 Terms
Microscopy: Large poroconidia with transverse and longitudinal septa
Alternaria spp.
Appearance: Club-shaped with a beak-like apex.
Alternaria spp.
Alternaria spp.
Microscopy: “Bent-knee” conidiophores; bipolar germ tube formation.
Bipolaris spp.
Bipolaris spp.
Microscopy: Short chains of conidia from shield cells; distinctive scars on conidia.
Cladosporium spp.
Clinical Use: Common lab contaminant but can cause subcutaneous phaeohyphomycosis.
Cladosporium spp.
Cladosporium spp.
Microscopy: Large poroconidia with enlarged central cell, curved shape.
Curvularia spp.
Relevance: Frequently causes sinusitis, keratitis, and CNS infection.
Curvularia spp.
Curvularia spp.
.Microscopy: “Bent-knee” conidiophores; poroconidia with protruding truncate hila.
Exserohilum spp
Clinical Relevance: May cause sinusitis, keratitis, and was associated with fungal meningitis outbreak (2012).
Exserohilum spp
Exserohilum spp
Microscopy: Round, dark conidia with multiple septa, produced on sporodochia.
Epicoccum spp.
Relevance: Rare clinical significance, mostly contaminant.
Epicoccum spp.
Epicoccum spp.
Microscopy: Short conidiophores with single dark conidia; smooth, oval.
Nigrospora spp.
Nigrospora spp.
Note 
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